26
MAXIN 24e & 28e
8.12
Modulator Coil
Part No. 6901 (Refer to figs. 30 & 31)
8.12.1
Gain general access as 8.4.
8.12.2
Pull off electrical leads from tab connec-
tors.
8.12.3
Release retaining clip from rear of modula-
tor coil (see fig. 30 & 31).
8.12.4
Remove modulator coil.
8.12.5
Reassemble in reverse order (see fig. 38
for electrical connections).
8.12.6
Check burner pressures (cl 6.6).
8.12.7
Ignition Control Box
Part No. 8360
8.12.8
Gain general access as 8.4.
8.12.9
Remove electrical plug-in connector by
gently pulling.
8.12.10
Pull off both spark & sensing electrode
leads where they connect onto the ignition
control box.
8.12.11
Release 1 screw securing ignition box to
gas valve body.
8.12.12
Release ignition box from valve body by
pulling until clear of plug-in electrical
connection.
8.12.13
Reassemble in reverse order ensuring
correct location of electrical and spark &
sensing lead connections.
8.13
Gas Control Valve (complete)
Part No. 8277
8.13.1
Turn off gas service tap.
8.13.2
Remove modulator coil as 8.12 & ignition
control box as 8.12.7.
8.13.3
Remove modulator coil brass sleeve by
releasing locknut & unscrewing sleeve.
8.13.4
Pull off silicone tube from gas valve regula-
tor.
8.13.5
Unscrew gas service tap union & release
from it's seating.
8.13.6
Remove 2 screws securing gas valve
bracket to the base frame.
8.13.7
Undo union above the gas control valve &
withdraw gas valve.
8.13.8
Remove 8 flange securing screws, 4 secur-
ing screws at the top & 4 at the bottom.
Transfer both inlet and outlet pipes to new
valve ensuring a new gasket is used on
each connection.
8.13.9
Reassemble in reverse order.
8.13.10
Test all joints for gas soundness.
8.13.11
Check burner pressures (cl. 6.6).
If incorrect adjust as instructed in cl 8.23.
Fig. 31
Fig. 30
GAS CONTROL VALVE
COMPLETE WITH IGNITION
CONTROL BOX
Modulator
Coil
Gas
Valve
Retaining
Clip
Ignition
Control Box
Ignition Box
Retaining
Screw
Modulator
Coil
Retaining Clip
Brass Sleeve
Spring
Locknut
Regulator
Minimum
Rate Adjust-
ing Screw
